San Francisco, CA, USA
Potsdam, Brandenburg, Germany
Greifswald, Mecklenburg-Vorpommern, Germany
Frankfurt am Main, Hessen, Germany
Helsinki, Uusimaa, Finland
Quebec, Quebec, Canada
Besancon, Franche-Comte, France
Rheine, Nordrhein-Westfalen, Germany
Stockholm, Stockholm, Sweden
Auckland, Auckland, New Zealand
Lviv, Lviv, Ukraine
Aalst, Vlaanderen, Belgium
